F15B 20/004
Fluid pressure supply failure
Official title: {Fluid pressure supply failure}
F15B20/004 (Fluid pressure supply failure) appears on 154 US grants and 142 published applications in this corpus.
Search patents in F15B- Granted patents
- 154
- Published applications
- 142
- Assignees
- 131
- Inventors
- 375
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 3 |
| 2003 | 3 | 6 |
| 2004 | 6 | 5 |
| 2005 | 6 | 8 |
| 2006 | 3 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 5 |
| 2009 | 6 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 4 |
| 2012 | 1 | 3 |
| 2013 | 3 | 4 |
| 2014 | 2 | 6 |
| 2015 | 4 | 4 |
| 2016 | 5 | 3 |
| 2017 | 5 | 6 |
| 2018 | 3 | 4 |
| 2019 | 5 | 16 |
| 2020 | 11 | 10 |
| 2021 | 15 | 8 |
| 2022 | 11 | 15 |
| 2023 | 5 | 5 |
| 2024 | 11 | 7 |
| 2025 | 7 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Method for checking the state of a hydraulic accumulator16 Oct 2025US 2025/0320882 A1Deere & Company
- Method and System for Controlling a Total Movement of a Distribution Boom, and Method for Distributing Construction Material and/or Thick Matter by Means of a Construction Material and/or Thick Matter Pump Device Having a Distribution Boom16 Oct 2025US 2025/0320883 A1Putzmeister Engineering GmbH
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